diff options
Diffstat (limited to 'contrib/compiler-rt/lib/builtins/arm/divsf3vfp.S')
-rw-r--r-- | contrib/compiler-rt/lib/builtins/arm/divsf3vfp.S | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/contrib/compiler-rt/lib/builtins/arm/divsf3vfp.S b/contrib/compiler-rt/lib/builtins/arm/divsf3vfp.S new file mode 100644 index 000000000000..130318f0c37b --- /dev/null +++ b/contrib/compiler-rt/lib/builtins/arm/divsf3vfp.S @@ -0,0 +1,33 @@ +//===-- divsf3vfp.S - Implement divsf3vfp ---------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "../assembly.h" + +// +// extern float __divsf3vfp(float a, float b); +// +// Divides two single precision floating point numbers using the Darwin +// calling convention where single arguments are passsed like 32-bit ints. +// + .syntax unified + .p2align 2 +DEFINE_COMPILERRT_FUNCTION(__divsf3vfp) +#if defined(COMPILER_RT_ARMHF_TARGET) + vdiv.f32 s0, s0, s1 +#else + vmov s14, r0 // move first param from r0 into float register + vmov s15, r1 // move second param from r1 into float register + vdiv.f32 s13, s14, s15 + vmov r0, s13 // move result back to r0 +#endif + bx lr +END_COMPILERRT_FUNCTION(__divsf3vfp) + +NO_EXEC_STACK_DIRECTIVE + |